from numpy import uint8


def send_hud(buf: list):
    n = len(buf)
    chars = []
    crc = uint8(0xeb + n + n)
    chars.append(0x10)
    chars.append(0x7b)
    chars.append(n + 6)
    if n == 0xa:
        chars.append(0x10)
    chars.append(n)
    chars.append(0x00)
    chars.append(0x00)
    chars.append(0x00)
    chars.append(0x55)
    chars.append(0x15)
    for char in buf:
        crc = uint8(crc + char)
        chars.append(char)
        if char == 0x10:
            chars.append(0x10)
    chars.append((-crc) & 0xff)
    chars.append(0x10)
    chars.append(0x03)
    print(chars)
    print([bytes(chr(char), 'raw_unicode_escape') for char in chars])


send_hud([0x04, 0x01])